when june miles-mays tried to sign up for obamacare at a miami health center, the web site put her on hold. "we need you to wait" the site advised "so we can make sure there's room for you." it was her third attempt at signing up. >> very frustrating for me because i need insurance so badly and it seems like something in the system or something is not working. >> reporter: the "need you to wait" prompt is a new feature of healthcare.gov. when the system is overloaded, it puts applicants in a queue and promises an e-mail when it's their turn. but despite promise it is web site could handle 50,000 users at the same time, the queuing system was turned on today at approximately 35,000 users. officials said they had to maximize the smooth user experience of those who applied first. there are also potential problems for the thousands who have signed up for new plans. officials are just now building the system for how insurance companies will be paid and the companies say their enrollments are slow because of bad information coming from the government. robert zirkelbach is with america's hea